Calculate the number of milliliters of 0.472 M Ba(OH)2 required to precipitate all of the Ca2+ ions in 197 mL of 0.671 M CaBr2 solution as Ca(OH)2. The equation for the reaction is: CaBr2(aq) + Ba(OH)2(aq) Ca(OH)2(s) + BaBr2(aq)

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